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Calculate electrical current
Posted Jul 4, 2011, 6:44 a.m. EDT 1 Reply
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I want to calculate the electrical resistance of sphere with to contact surfaces in first one i impose potential condition in the seconde one a nul potential and electrical insulation for all the sphere surface.
For calculating the electrical resistance of sphere i calculate the electrical current throught the first surface (inlet) by using the Integration Coupling Variables (I1=Jx*nx+Jy*ny+Jz*nz) and the same expression for the seconde surface (outlet) (I1=Jx*nx+Jy*ny+Jz*nz). In the ideal case i must obtain the same current I1=I2 but the result is differente.
I dont now who to do this modelling in comsol.
Thank for you answer
Hello Bourbatache Khaled
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I have raised exactly the same issue in a different geometry. Can someone throw light on this ?
www.comsol.com/community/forums/general/thread/26157/
Thanks
Murali